E
XECUTIVE
LENS
Type of bifocal lens with two full fields: one which corrects far vision defects and one which corrects near
vision defects. They are available in two models:
•
separation line present on the front surface of the lens
•
separation line present on the rear surface of the lens
•
Example of lenses of this type: Telex lenses
TM
G
ROOVE
WITH
MENISCUS
The frame rim is very curved.
ID
The job identifier, or ID, consists of alphanumeric characters. It is unique.
J
OB
All the actions to be carried out on the tracer, centerer-blocker and edger in order to produce a pair of
glasses. It is possible to memorize it in the shape management screen under an identifier (ID).
L
ENTICULAR
LENS
Type of lens equipped with a small curved optical area on the front or rear surface and whose edge gradually
flattens. The correction is in the central part.
R
EFRACTIVE
INDEX
Characterizes the refractive power of a transparent optical material.
The indices vary according to the materials used for the lenses:
•
Plastic lens: 1.5
•
Polycarbonate lens: 1.59
•
Medium or High Index lens: > 1.5
•
Trivex™ lens: 1.5 to 1.6
•
Glass lens: 1.5 to 1.9
Neksia > v1.0 - 02.14
82
U
SER
M
ANUAL
> G
LOSSARY
Содержание Neksia
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